US7365524B2 - Tip having active circuitry - Google Patents
Tip having active circuitry Download PDFInfo
- Publication number
- US7365524B2 US7365524B2 US11/725,612 US72561207A US7365524B2 US 7365524 B2 US7365524 B2 US 7365524B2 US 72561207 A US72561207 A US 72561207A US 7365524 B2 US7365524 B2 US 7365524B2
- Authority
- US
- United States
- Prior art keywords
- voltage
- tip
- output voltage
- adapter
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0045—Converters combining the concepts of switch-mode regulation and linear regulation, e.g. linear pre-regulator to switching converter, linear and switching converter in parallel, same converter or same transistor operating either in linear or switching mode
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
Abstract
Description
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/725,612 US7365524B2 (en) | 2002-12-05 | 2007-03-20 | Tip having active circuitry |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/313,662 US6836101B2 (en) | 2002-12-05 | 2002-12-05 | Tip having active circuitry |
US10/927,619 US7193398B2 (en) | 2002-12-05 | 2004-08-26 | Tip having active circuitry |
US11/725,612 US7365524B2 (en) | 2002-12-05 | 2007-03-20 | Tip having active circuitry |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/927,619 Continuation US7193398B2 (en) | 2002-12-05 | 2004-08-26 | Tip having active circuitry |
Publications (2)
Publication Number | Publication Date |
---|---|
US20070182388A1 US20070182388A1 (en) | 2007-08-09 |
US7365524B2 true US7365524B2 (en) | 2008-04-29 |
Family
ID=32468312
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/313,662 Expired - Lifetime US6836101B2 (en) | 2002-12-05 | 2002-12-05 | Tip having active circuitry |
US10/927,619 Expired - Fee Related US7193398B2 (en) | 2002-12-05 | 2004-08-26 | Tip having active circuitry |
US11/725,612 Expired - Fee Related US7365524B2 (en) | 2002-12-05 | 2007-03-20 | Tip having active circuitry |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/313,662 Expired - Lifetime US6836101B2 (en) | 2002-12-05 | 2002-12-05 | Tip having active circuitry |
US10/927,619 Expired - Fee Related US7193398B2 (en) | 2002-12-05 | 2004-08-26 | Tip having active circuitry |
Country Status (5)
Country | Link |
---|---|
US (3) | US6836101B2 (en) |
EP (1) | EP1462904B1 (en) |
AT (1) | ATE475220T1 (en) |
DE (1) | DE60333436D1 (en) |
HK (1) | HK1068171A1 (en) |
Cited By (9)
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US20090134709A1 (en) * | 2007-11-26 | 2009-05-28 | Liming Sun | System and method for cable resistance cancellation |
US20090134852A1 (en) * | 2007-11-26 | 2009-05-28 | Liming Sun | System and method using a current mirror to program an output voltage and current |
US7646107B2 (en) | 2004-09-30 | 2010-01-12 | Targus Group Internatnional, Inc. | Programmable power adaptor |
US20100072965A1 (en) * | 2008-09-24 | 2010-03-25 | Kerio Technologies, Inc. | Output voltage feedback device for being used in a power supplying apparatus and power supplying apparatus provided with the same |
US20100254162A1 (en) * | 2009-04-01 | 2010-10-07 | Comarco Wireless Technologies, Inc. | Modular power adapter |
US20110095605A1 (en) * | 2009-10-28 | 2011-04-28 | Comarco Wireless Technologies, Inc. | Power supply equipment to simultaneously power multiple electronic device |
US8550827B1 (en) | 2012-07-25 | 2013-10-08 | Targus Group International, Inc. | Multi-sleeve power tips |
US8821199B2 (en) | 2012-07-25 | 2014-09-02 | Targus Group International, Inc. | Multi-prong power tip adaptor |
US10855086B2 (en) | 2004-01-15 | 2020-12-01 | Comarco Wireless Systems Llc | Power supply equipment utilizing interchangeable tips to provide power and a data signal to electronic devices |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6836101B2 (en) | 2002-12-05 | 2004-12-28 | Comarco Wireless Technologies, Inc. | Tip having active circuitry |
US7145312B2 (en) * | 2002-12-06 | 2006-12-05 | Comarco Wireless Technologies, Inc. | Battery coupled to adapter and tip |
US7148659B2 (en) * | 2003-06-20 | 2006-12-12 | Comarco Wireless Technologies, Inc. | Programmable AC/DC power supply |
US7868486B2 (en) * | 2004-01-15 | 2011-01-11 | Comarco Wireless Technologies, Inc | Power supply having source determination circuitry utilized to disable battery charging circuitry in powered device |
US7526659B2 (en) * | 2005-02-01 | 2009-04-28 | Hewlett-Packard Development Company, L.P. | Systems and methods for controlling use of power in a computer system |
US7853818B2 (en) * | 2005-02-25 | 2010-12-14 | Intel Corporation | Modifying power adapter output |
FR2892209A1 (en) * | 2005-10-18 | 2007-04-20 | Jean Louis Lombard | Regulated power supply device for e.g. telephony device, has feedback loop that stabilizes input voltage of offset regulator and controls output voltage of primary supply regulator to correct any voltage drop induced in cables |
US8266348B2 (en) * | 2005-11-08 | 2012-09-11 | American Power Conversion Corporation | System and method of communicating with portable devices |
US20070229024A1 (en) * | 2006-03-30 | 2007-10-04 | Li Peter T | Balancing power supply and demand |
US7642671B2 (en) * | 2006-04-28 | 2010-01-05 | Acco Brands Usa Llc | Power supply system providing two output voltages |
US9007031B2 (en) * | 2007-08-21 | 2015-04-14 | Ford Global Technologies, Llc | Automotive voltage compensation system and method |
US20090108677A1 (en) * | 2007-10-29 | 2009-04-30 | Linear Technology Corporation | Bidirectional power converters |
CN101896930A (en) * | 2007-12-13 | 2010-11-24 | 丰田自动车株式会社 | Electric power calculation device, price calculation device for calculating price of consumed electric power and price calculation method, vehicle information output device and information output method |
TW201005460A (en) * | 2008-07-23 | 2010-02-01 | Kerio Technologies Inc | Safety output device for power converter and power converter having the same |
TW201025783A (en) * | 2008-12-31 | 2010-07-01 | Kerio Technologies Inc | Output voltage feedback device with feedback line for power supply and the power supply |
US8536840B2 (en) * | 2009-03-17 | 2013-09-17 | Linear Technology Corporation | Bidirectional power converters |
US20110015795A1 (en) * | 2009-07-16 | 2011-01-20 | International Business Machines Corporation | Smart Outlet with Valid Plug Management and Activation |
US9118240B2 (en) * | 2011-08-31 | 2015-08-25 | Comarco Wireless Technologies, Inc. | Power supply equipment providing multiple identification signals |
JP2013223389A (en) * | 2012-04-19 | 2013-10-28 | Smk Corp | Power supply system |
US9271063B2 (en) | 2013-02-06 | 2016-02-23 | Zeikos Inc. | Power transferring headphones |
US20140219465A1 (en) | 2013-02-06 | 2014-08-07 | Zeikos Inc. | Power transferring headphones |
US9276539B2 (en) | 2013-02-06 | 2016-03-01 | Zeikos Inc. | Power transferring headphones |
EP3101771B1 (en) * | 2014-01-28 | 2019-03-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Power adapter, terminal, and method for processing exception of charging loop |
EP3101770B1 (en) * | 2014-01-28 | 2019-05-15 | Guangdong Oppo Mobile Telecommunications Corp., Ltd | Power adapter and terminal |
HUE043594T2 (en) | 2014-01-28 | 2019-08-28 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Power adapter, terminal, and method for handling impedance anomaly in charging loop |
US9715244B2 (en) * | 2015-02-24 | 2017-07-25 | Intersil Americas LLC | System and method for determining adapter current limit |
WO2017101047A1 (en) * | 2015-12-16 | 2017-06-22 | 广东欧珀移动通信有限公司 | Charging control method and device, power adapter, and mobile terminal |
JP6711730B2 (en) * | 2016-09-27 | 2020-06-17 | ホシデン株式会社 | Power supply |
US11271384B2 (en) * | 2017-07-27 | 2022-03-08 | Western Technology, Inc. | Power supply interlock |
EP4043892A1 (en) * | 2018-09-30 | 2022-08-17 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and apparatus for testing function of adaptor, testing device, and storage medium |
CN111077930A (en) * | 2019-12-17 | 2020-04-28 | 太原航空仪表有限公司 | Energy storage circuit power failure monitoring trigger circuit |
Citations (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2914704A (en) | 1955-10-31 | 1959-11-24 | Gilfillan Bros Inc | Abnormal voltage protection circuit |
US3048805A (en) | 1960-10-04 | 1962-08-07 | Ace Electronics Associates Inc | Plug-in potentiometers |
US3049687A (en) | 1959-08-26 | 1962-08-14 | Ace Electronics Associates Inc | Plug-in variable resistor |
US3111641A (en) | 1961-02-03 | 1963-11-19 | Jerzy J Wilentchik | Plug and jack resistor |
US3978465A (en) | 1974-10-25 | 1976-08-31 | Esb Incorporated | Line isolation monitor |
US4257089A (en) | 1979-09-13 | 1981-03-17 | The United States Of America As Represented By The Secretary Of The Army | Regulated variable frequency DC/DC converter |
US4307441A (en) | 1980-07-28 | 1981-12-22 | United Technologies Corporation | Current balanced DC-to-DC converter |
US4442382A (en) | 1982-07-06 | 1984-04-10 | Chiu Technical Corporation | Constant power switching power supply |
US4622627A (en) | 1984-02-16 | 1986-11-11 | Theta-J Corporation | Switching electrical power supply utilizing miniature inductors integrally in a PCB |
US4734839A (en) | 1987-03-23 | 1988-03-29 | Barthold Fred O | Source volt-ampere/load volt-ampere differential converter |
US4747034A (en) | 1987-03-05 | 1988-05-24 | David V. Dickey | High efficiency battery adapter |
US4885674A (en) | 1988-03-28 | 1989-12-05 | Varga Ljubomir D | Synthesis of load-independent switch-mode power converters |
US4890214A (en) | 1985-11-15 | 1989-12-26 | Nec Corporation | Start circuit for adapting a constant current generator to a wide variety of loads |
US4912392A (en) | 1986-10-18 | 1990-03-27 | Husky Computer Limited | Battery charge state monitor |
US5019954A (en) | 1989-06-23 | 1991-05-28 | Allied-Signal Inc. | AC/DC conversion with reduced supply waveform distortion |
US5146394A (en) | 1989-06-23 | 1992-09-08 | Matsushita Electric Industrial Co., Ltd. | Fly back converter switching power supply device |
US5177431A (en) | 1991-09-25 | 1993-01-05 | Astec International Ltd. | Linear programming circuit for adjustable output voltage power converters |
US5177675A (en) | 1991-10-16 | 1993-01-05 | Shindengen Archer Corp. | Zero voltage, zero current, resonant converter |
US5184291A (en) | 1991-06-13 | 1993-02-02 | Crowe Lawrence E | Converter and inverter support module |
USD339103S (en) | 1992-07-02 | 1993-09-07 | Empire Engineering | Housing for an AC power adapter |
US5295058A (en) | 1992-10-13 | 1994-03-15 | Recoton Corporation | Universal DC to DC power converter |
US5309348A (en) | 1992-08-13 | 1994-05-03 | Acer Peripherals, Inc. | Method and apparatus for preventing improper switching of a dual power supply |
US5345592A (en) | 1992-04-08 | 1994-09-06 | Concept W Systems, Inc. | Signal transfer and power delivery system for a television camera station |
US5347211A (en) | 1993-03-11 | 1994-09-13 | Innova Electronics Corporation | Selectable output power converter |
USD359474S (en) | 1994-04-13 | 1995-06-20 | Xtend Micro Products, Inc. | Modular drop charger for portable electronic equipment |
US5479331A (en) | 1994-04-26 | 1995-12-26 | Comarco Wireless Technologies, Inc. | Small form factor power supply |
US5510691A (en) | 1994-04-13 | 1996-04-23 | Xtend Micro Products, Inc | Modular power supply and modular interconnect system for portable electronic equipment |
US5559422A (en) | 1994-07-01 | 1996-09-24 | Welch Allyn, Inc. | Wall transformer |
USD375936S (en) | 1995-08-25 | 1996-11-26 | Xtend Micro Products, Inc. | Modular drop charger and DC-DC converter for portable electronic equipment |
US5589762A (en) | 1991-02-22 | 1996-12-31 | Sgs-Thomson Microelectronics, Inc. | Adaptive voltage regulator |
US5636110A (en) | 1994-04-26 | 1997-06-03 | Comarco Wireless Technologies, Inc. | Small form factor power supply |
US5672951A (en) | 1994-11-04 | 1997-09-30 | Mitsubishi Denki Kabushiki Kaisha | Determination and control of battery state |
US5717318A (en) | 1996-07-08 | 1998-02-10 | Fujitsu Limited | Step-down type DC-DC regulator |
USD391227S (en) | 1996-01-29 | 1998-02-24 | Empire Engineering | Smart adapter |
US5739673A (en) | 1996-02-27 | 1998-04-14 | Sgs-Thomson Microelectronics S.A. | Control device for the charging of at least one battery |
US5739672A (en) | 1996-05-08 | 1998-04-14 | United Continental | Method and apparatus for charging batteries |
US5770895A (en) | 1995-06-08 | 1998-06-23 | Tokyo Electron Limited | Operation control device and method for a plurality of electric power consuming systems |
US5773961A (en) | 1996-06-06 | 1998-06-30 | Heartstream, Inc. | Dynamic load controller for a battery |
US5838554A (en) | 1994-04-26 | 1998-11-17 | Comarco Wireless Technologies, Inc. | Small form factor power supply |
US5861732A (en) | 1989-12-11 | 1999-01-19 | Canon Kabushiki Kaisha | Battery charging apparatus |
US5886422A (en) | 1997-07-30 | 1999-03-23 | Spartec International Corporation | Universal electric power controller |
US5949213A (en) | 1994-04-26 | 1999-09-07 | Comarco Wireless Technologies, Inc. | Method and system for charging rechargeable batteries |
US6064177A (en) | 1999-01-05 | 2000-05-16 | Dixon; Steven C. | Two-part battery charger/power cable article with multiple device capability |
US6091611A (en) | 1994-04-26 | 2000-07-18 | Comarco Wireless Technologies, Inc. | Connectors adapted for controlling a small form factor power supply |
US6172884B1 (en) | 1994-04-26 | 2001-01-09 | Comarco Wireless Technologies, Inc. | Small form factor power supply for powering electronics appliances |
US6194875B1 (en) | 1998-10-08 | 2001-02-27 | Fujitsu Limited | Controller for DC-DC converter |
US6201376B1 (en) | 2000-01-28 | 2001-03-13 | Lucent Technologies Inc. | Apparatus and method for establishing an operating parameter for a power supply device |
US6670797B2 (en) | 2000-03-17 | 2003-12-30 | Siemens Aktiengesellschaft | Method and device for controlling a dc-dc converter |
US6678178B2 (en) | 2000-10-26 | 2004-01-13 | Micro International Limited | DC-to-DC converter with improved transient response |
US6703815B2 (en) | 2002-05-20 | 2004-03-09 | Texas Instruments Incorporated | Low drop-out regulator having current feedback amplifier and composite feedback loop |
US6836101B2 (en) | 2002-12-05 | 2004-12-28 | Comarco Wireless Technologies, Inc. | Tip having active circuitry |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US339103A (en) | 1886-03-30 | Silvanus hussey | ||
US375936A (en) | 1888-01-03 | Projectile for fire-arms | ||
US359474A (en) | 1887-03-15 | Levi smith | ||
US391227A (en) | 1888-10-16 | Tool for crimping metal | ||
DE20113817U1 (en) * | 2001-08-21 | 2001-11-08 | Lumberg Karl Gmbh & Co | Electrical connector |
-
2002
- 2002-12-05 US US10/313,662 patent/US6836101B2/en not_active Expired - Lifetime
-
2003
- 2003-12-05 EP EP03257679A patent/EP1462904B1/en not_active Expired - Lifetime
- 2003-12-05 AT AT03257679T patent/ATE475220T1/en not_active IP Right Cessation
- 2003-12-05 DE DE60333436T patent/DE60333436D1/en not_active Expired - Lifetime
-
2004
- 2004-08-26 US US10/927,619 patent/US7193398B2/en not_active Expired - Fee Related
-
2005
- 2005-02-14 HK HK05101163.4A patent/HK1068171A1/en not_active IP Right Cessation
-
2007
- 2007-03-20 US US11/725,612 patent/US7365524B2/en not_active Expired - Fee Related
Patent Citations (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2914704A (en) | 1955-10-31 | 1959-11-24 | Gilfillan Bros Inc | Abnormal voltage protection circuit |
US3049687A (en) | 1959-08-26 | 1962-08-14 | Ace Electronics Associates Inc | Plug-in variable resistor |
US3048805A (en) | 1960-10-04 | 1962-08-07 | Ace Electronics Associates Inc | Plug-in potentiometers |
US3111641A (en) | 1961-02-03 | 1963-11-19 | Jerzy J Wilentchik | Plug and jack resistor |
US3978465A (en) | 1974-10-25 | 1976-08-31 | Esb Incorporated | Line isolation monitor |
US4257089A (en) | 1979-09-13 | 1981-03-17 | The United States Of America As Represented By The Secretary Of The Army | Regulated variable frequency DC/DC converter |
US4307441A (en) | 1980-07-28 | 1981-12-22 | United Technologies Corporation | Current balanced DC-to-DC converter |
US4442382A (en) | 1982-07-06 | 1984-04-10 | Chiu Technical Corporation | Constant power switching power supply |
US4622627A (en) | 1984-02-16 | 1986-11-11 | Theta-J Corporation | Switching electrical power supply utilizing miniature inductors integrally in a PCB |
US4890214A (en) | 1985-11-15 | 1989-12-26 | Nec Corporation | Start circuit for adapting a constant current generator to a wide variety of loads |
US4912392A (en) | 1986-10-18 | 1990-03-27 | Husky Computer Limited | Battery charge state monitor |
US4747034A (en) | 1987-03-05 | 1988-05-24 | David V. Dickey | High efficiency battery adapter |
US4734839A (en) | 1987-03-23 | 1988-03-29 | Barthold Fred O | Source volt-ampere/load volt-ampere differential converter |
US4885674A (en) | 1988-03-28 | 1989-12-05 | Varga Ljubomir D | Synthesis of load-independent switch-mode power converters |
US5019954A (en) | 1989-06-23 | 1991-05-28 | Allied-Signal Inc. | AC/DC conversion with reduced supply waveform distortion |
US5146394A (en) | 1989-06-23 | 1992-09-08 | Matsushita Electric Industrial Co., Ltd. | Fly back converter switching power supply device |
US5861732A (en) | 1989-12-11 | 1999-01-19 | Canon Kabushiki Kaisha | Battery charging apparatus |
US5589762A (en) | 1991-02-22 | 1996-12-31 | Sgs-Thomson Microelectronics, Inc. | Adaptive voltage regulator |
US5184291A (en) | 1991-06-13 | 1993-02-02 | Crowe Lawrence E | Converter and inverter support module |
US5177431A (en) | 1991-09-25 | 1993-01-05 | Astec International Ltd. | Linear programming circuit for adjustable output voltage power converters |
US5177675A (en) | 1991-10-16 | 1993-01-05 | Shindengen Archer Corp. | Zero voltage, zero current, resonant converter |
US5345592A (en) | 1992-04-08 | 1994-09-06 | Concept W Systems, Inc. | Signal transfer and power delivery system for a television camera station |
USD339103S (en) | 1992-07-02 | 1993-09-07 | Empire Engineering | Housing for an AC power adapter |
US5309348A (en) | 1992-08-13 | 1994-05-03 | Acer Peripherals, Inc. | Method and apparatus for preventing improper switching of a dual power supply |
US5295058A (en) | 1992-10-13 | 1994-03-15 | Recoton Corporation | Universal DC to DC power converter |
US5347211A (en) | 1993-03-11 | 1994-09-13 | Innova Electronics Corporation | Selectable output power converter |
USD359474S (en) | 1994-04-13 | 1995-06-20 | Xtend Micro Products, Inc. | Modular drop charger for portable electronic equipment |
US5510691A (en) | 1994-04-13 | 1996-04-23 | Xtend Micro Products, Inc | Modular power supply and modular interconnect system for portable electronic equipment |
US5838554A (en) | 1994-04-26 | 1998-11-17 | Comarco Wireless Technologies, Inc. | Small form factor power supply |
US5636110A (en) | 1994-04-26 | 1997-06-03 | Comarco Wireless Technologies, Inc. | Small form factor power supply |
US6172884B1 (en) | 1994-04-26 | 2001-01-09 | Comarco Wireless Technologies, Inc. | Small form factor power supply for powering electronics appliances |
US6091611A (en) | 1994-04-26 | 2000-07-18 | Comarco Wireless Technologies, Inc. | Connectors adapted for controlling a small form factor power supply |
US5949213A (en) | 1994-04-26 | 1999-09-07 | Comarco Wireless Technologies, Inc. | Method and system for charging rechargeable batteries |
US5479331A (en) | 1994-04-26 | 1995-12-26 | Comarco Wireless Technologies, Inc. | Small form factor power supply |
US5559422A (en) | 1994-07-01 | 1996-09-24 | Welch Allyn, Inc. | Wall transformer |
US5672951A (en) | 1994-11-04 | 1997-09-30 | Mitsubishi Denki Kabushiki Kaisha | Determination and control of battery state |
US5770895A (en) | 1995-06-08 | 1998-06-23 | Tokyo Electron Limited | Operation control device and method for a plurality of electric power consuming systems |
USD375936S (en) | 1995-08-25 | 1996-11-26 | Xtend Micro Products, Inc. | Modular drop charger and DC-DC converter for portable electronic equipment |
USD391227S (en) | 1996-01-29 | 1998-02-24 | Empire Engineering | Smart adapter |
US5739673A (en) | 1996-02-27 | 1998-04-14 | Sgs-Thomson Microelectronics S.A. | Control device for the charging of at least one battery |
US5739672A (en) | 1996-05-08 | 1998-04-14 | United Continental | Method and apparatus for charging batteries |
US5773961A (en) | 1996-06-06 | 1998-06-30 | Heartstream, Inc. | Dynamic load controller for a battery |
US5717318A (en) | 1996-07-08 | 1998-02-10 | Fujitsu Limited | Step-down type DC-DC regulator |
US5886422A (en) | 1997-07-30 | 1999-03-23 | Spartec International Corporation | Universal electric power controller |
US6194875B1 (en) | 1998-10-08 | 2001-02-27 | Fujitsu Limited | Controller for DC-DC converter |
US6064177A (en) | 1999-01-05 | 2000-05-16 | Dixon; Steven C. | Two-part battery charger/power cable article with multiple device capability |
US6201376B1 (en) | 2000-01-28 | 2001-03-13 | Lucent Technologies Inc. | Apparatus and method for establishing an operating parameter for a power supply device |
US6670797B2 (en) | 2000-03-17 | 2003-12-30 | Siemens Aktiengesellschaft | Method and device for controlling a dc-dc converter |
US6678178B2 (en) | 2000-10-26 | 2004-01-13 | Micro International Limited | DC-to-DC converter with improved transient response |
US6703815B2 (en) | 2002-05-20 | 2004-03-09 | Texas Instruments Incorporated | Low drop-out regulator having current feedback amplifier and composite feedback loop |
US6836101B2 (en) | 2002-12-05 | 2004-12-28 | Comarco Wireless Technologies, Inc. | Tip having active circuitry |
Non-Patent Citations (13)
Title |
---|
"New PowerXtenders Adapter Lets Portable Comuter Users Plug Into Computer Power on Airplanes and Cars," [on-line], Apr. 30, 1997, [retrieved Feb. 13, 2001], pp. 1-3, retrieved from Internet: http://www.roadwarrior.com/xtend/news/pressreleases/pr-970420.html. |
"Portable Computers Fly High in the Sky with Airline Seat Power," [on-line], Nov. 18, 1996 [retrieved Feb. 13, 2001], pp. 1-2, retrieved from Internet: http://www.roadwarrior.com/xtend/news/pressreleases/pr-961118.html. |
Data Sheet for Benchmarq Model BQ2002C, Fast-Charge IC, Sep. 1997, 8 pages. |
Data Sheet for Benchmarq Model BQ2954, Lithium Ion Fast-Charge IC, Nov. 1997, 14 pages. |
Declaration of David Dickey in Opposition to Comarco's Motion for Summary Judgment, dated Jun. 2, 2003, 8-pgs w/Exhibits 1-13 attached. |
Declaration of David Dickey in Support of Mobility Electronics, Inc.'s Motion for Summary Judgment, dated Jun. 2, 2003, 8-pgs w/Exhibits 1-13 attached. |
Declaration of Ejaz Afzal in Opposition to Comarco's Motion for Preliminary Injunction, dated Apr. 30, 2003, 9-pgs w/Exhibits 1-2 attached. |
Declaration of Ejaz Afzal in Support of Mobility Electronics, Inc.'s Motion for Summary Judgment, dated May 6, 2003, 10-pgs w/Exhibits 1-2 attached. |
Description of the "Smart Adapter System", Nesco Battery Systems, pp. 1-2. |
European Search Report from European Patent Office, Jun. 21, 2005, EP Application No. EP 03 25 7679. |
MacWorld "On the Road", vol. 12, No. 7, Jul. 1995, pp. 141-142, 5/9/1 (Item 1 from file: 15) DIALOG(r) File 15:ABI/INFORM(r). |
Motorola: Analog 1C Device Data, DC-to-DC Converter Circuits-vol. 1, DL 128/D-Revision 6, 1996, XP002330527. |
Press Release of Empire Engineering, Electronic Design and Management, Jul. 5, 1995-San Luis Obispo, CA USA, pp. 1-2. |
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Also Published As
Publication number | Publication date |
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US20040108843A1 (en) | 2004-06-10 |
EP1462904A3 (en) | 2005-08-03 |
ATE475220T1 (en) | 2010-08-15 |
HK1068171A1 (en) | 2005-04-22 |
US7193398B2 (en) | 2007-03-20 |
EP1462904B1 (en) | 2010-07-21 |
US20070182388A1 (en) | 2007-08-09 |
US6836101B2 (en) | 2004-12-28 |
EP1462904A2 (en) | 2004-09-29 |
DE60333436D1 (en) | 2010-09-02 |
US20050024030A1 (en) | 2005-02-03 |
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